A025746 Index of 10^n within sequence of numbers of form 8^i*10^j.

1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 67, 80, 94, 109, 125, 142, 160, 179, 199, 221, 244, 268, 293, 319, 346, 374, 403, 433, 465, 498, 532, 567, 603, 640, 678, 717, 757, 798, 841, 885, 930, 976, 1023, 1071, 1120, 1170, 1221, 1274, 1328, 1383, 1439, 1496, 1554, 1613

Offset

1,2

Links

Table of n, a(n) for n=1..54.

Crossrefs

Sequence in context: A069698 A069696 A025724 * A119663 A025715 A165145

Adjacent sequences: A025743 A025744 A025745 * A025747 A025748 A025749

Keyword

nonn

Author

David W. Wilson

Status

approved